GBU-24 Kinematics/CCRP Calculations Issue
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I’m really naive to USAF SOPs and doctrines. Are LGBs even used nowadays, or like Dos Gringos say, is everything just droppin’ JDAMs?
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I’m really naive to USAF SOPs and doctrines. Are LGBs even used nowadays, or like Dos Gringos say, is everything just droppin’ JDAMs?
Don’t know about USAF SOP / doctrine, but LGB are still used.
Target area may have GPS jammers, you may want to keep positive control over your bomb in case something happens (e.g. civilians entering the blast radius), LGB is cheaper than JDAM (I think?), … -
Don’t know about USAF SOP / doctrine, but LGB are still used.
Target area may have GPS jammers, you may want to keep positive control over your bomb in case something happens (e.g. civilians entering the blast radius), LGB is cheaper than JDAM (I think?), …Would they then not be better with LJDAM? I think the USAF doesn’t have Paveway IV stuff. Surely for static a JDAM would be best, but as you say, the laser element would allow them to deflect the bomb away before impact if needed.
Like I say, my in my naive eyes, I feel to see the necessity of a true LGB (12/24/27 etc.) when an LJDAM can do everything of both worlds. The loiter time of a INS/GPS guided weapon is much less than that of a laser guided munition even with buddy or ground based lasing.
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but LGB are still used…
A lot.
GPS is not 100% immune to GPS signal loss and do not allow moving targets. And of course, less expensive.
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I’m really naive to USAF SOPs and doctrines. Are LGBs even used nowadays, or like Dos Gringos say, is everything just droppin’ JDAMs?
They are still in the AF’s inventory, but the are not being manufactured any more and have gone out of favor with target planners as of today just because they take the aircraft over or near the target. This is where JTAC’s come into the picture IRL, to laze for the attacking aircraft so the LGB’s become more of a fire-&-forget weapon and keeps the aircraft/pilot in a relative safe environment. And why glide bombs like JDAMs & SBD’s are the norm now.
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Actually, and according to the figures I have, PIII’s seeker FOV is about 1/3 less FOV (seeker) than PII, while their gimbals are roughly the same. So PIII total FOV is less than PII.
I do not know much about PIII and would like to know more but I have info. PII FOV is staring seeing all at once with four overlappng zones for steering but PIII is scanning like a radar with a movable seeker. So be careful what value for FOV for PIII you are looking at because it has two: the instantaneous picture and the total angle the seeker can see over the pattern of scanning.
"Furthermore, the scanning laser seeker has a larger field of view, and the tailfins have been enlarged for higher manoeuverability and aerodynamic efficiency. The improvements enable a Paveway III LGB to maintain level flight at low altitude for effective ranges of more than 18 km (10 nm). Other delivery options include high-altitude drops (with a range of about 30 km (16 nm) from 10000 m (33000 ft) altitude) or long-range low-altitude launches using a lofted trajectory. "
“The resulting Paveway III weapon used an agile gimbaled laser detector under a glass dome, in an arrangement very similar to that used in heatseeking missiles. This allowed the detector to track the aimpoint at very high angular rates and high off-boresight angles independently of the bomb’s immediate orientation and motion – within the gimbal limits of the seeker.”
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So be careful what value for FOV for PIII you are looking at because it has two: the instantaneous picture and the total angle the seeker can see over the pattern of scanning."
This is what I was trying to said with my poor English. … Mechanical scanning => FOV + IFOV.
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The GBU 24 weapon is designed for low altitude delivery and with a capability for improved standoff ranges to reduce exposure:The improvements enable a Paveway III LGB to maintain level flight at low altitude for effective ranges of more than 18 km (10 nm) but I didn’t see that in game …it is pity!
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@Xeno probably hard to find accurate information …